我的世界安装版本就崩溃了，请大佬帮我看看什么原因

程序崩溃了！
java.lang.NullPointerException: Attempt to invoke interface method 'void java.util.List.clear()' on a null object reference
at com.mio.launcher.ActivityDownload.refreshAdapter(ActivityDownload.java:413)
at com.mio.launcher.ActivityDownload.access$100(ActivityDownload.java:70)
at com.mio.launcher.ActivityDownload$2.onCheckedChanged(ActivityDownload.java:179)
at android.widget.RadioGroup.setCheckedId(RadioGroup.java:196)
at android.widget.RadioGroup.access$600(RadioGroup.java:59)
at android.widget.RadioGroup$CheckedStateTracker.onCheckedChanged(RadioGroup.java:381)
at android.widget.CompoundButton.setChecked(CompoundButton.java:189)
at android.widget.CompoundButton.toggle(CompoundButton.java:141)
at android.widget.RadioButton.toggle(RadioButton.java:78)
at android.widget.CompoundButton.performClick(CompoundButton.java:146)
at android.view.View.performClickInternal(View.java:7286)
at android.view.View.access$3600(View.java:838)
at android.view.View$PerformClick.run(View.java:28242)
at android.os.Handler.handleCallback(Handler.java:900)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:219)
at android.app.ActivityThread.main(ActivityThread.java:8668)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1109)

2022-05-18 17:43:39: Splash created
2022-05-18 17:43:39: Splash resumed
2022-05-18 17:43:41: Splash paused
2022-05-18 17:43:42: MioLauncher created
2022-05-18 17:43:42: MioLauncher resumed
2022-05-18 17:43:43: Splash destroyed
2022-05-18 17:43:44: MioLauncher paused
2022-05-18 17:43:44: ActivityDownload created
2022-05-18 17:43:44: ActivityDownload resumed

Build version: 0.8
Build date: 1981-01-01 01:01:02
Current date: 2022-05-18 17:43:55
Device: HUAWEI LRA-AL00

Stack trace:  
java.lang.NullPointerException: Attempt to invoke interface method 'void java.util.List.clear()' on a null object reference
at com.mio.launcher.ActivityDownload.refreshAdapter(ActivityDownload.java:413)
at com.mio.launcher.ActivityDownload.access$100(ActivityDownload.java:70)
at com.mio.launcher.ActivityDownload$2.onCheckedChanged(ActivityDownload.java:179)
at android.widget.RadioGroup.setCheckedId(RadioGroup.java:196)
at android.widget.RadioGroup.access$600(RadioGroup.java:59)
at android.widget.RadioGroup$CheckedStateTracker.onCheckedChanged(RadioGroup.java:381)
at android.widget.CompoundButton.setChecked(CompoundButton.java:189)
at android.widget.CompoundButton.toggle(CompoundButton.java:141)
at android.widget.RadioButton.toggle(RadioButton.java:78)
at android.widget.CompoundButton.performClick(CompoundButton.java:146)
at android.view.View.performClickInternal(View.java:7286)
at android.view.View.access$3600(View.java:838)
at android.view.View$PerformClick.run(View.java:28242)
at android.os.Handler.handleCallback(Handler.java:900)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:219)
at android.app.ActivityThread.main(ActivityThread.java:8668)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1109)

User actions:
2022-05-18 17:43:39: Splash created
2022-05-18 17:43:39: Splash resumed
2022-05-18 17:43:41: Splash paused
2022-05-18 17:43:42: MioLauncher created
2022-05-18 17:43:42: MioLauncher resumed
2022-05-18 17:43:43: Splash destroyed
2022-05-18 17:43:44: MioLauncher paused
2022-05-18 17:43:44: ActivityDownload created
2022-05-18 17:43:44: ActivityDownload resumed

我又看了看，nb，竟然对null用方法这是编程界的大忌啊

是空指针异常。又是一个我们解决不了的问题。还是去github上提交issue吧

Fi_Cap 发表于 2022-6-19 00:16
是空指针异常。又是一个我们解决不了的问题。还是去github上提交issue吧

空指针异常指的是？

agescadt 发表于 2022-6-19 06:49
空指针异常指的是？

java.lang.NullPointerException，一个编程术语

Fi_Cap 发表于 2022-6-19 13:39
我又看了看，nb，竟然对null用方法这是编程界的大忌啊

算了，早就解决了